42842140

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{193}}^1\times {\mathrm{1009}}^1$

素因数の和:1222

約数の個数: 48

約数和(自身を含む): 98753760

約数和(自身を除く): 55911620

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 193, 220, 386, 772, 965, 1009, 1930, 2018, 2123, 3860, 4036, 4246, 5045, 8492, 10090, 10615, 11099, 20180, 21230, 22198, 42460, 44396, 55495, 110990, 194737, 221980, 389474, 778948, 973685, 1947370, 2142107, 3894740, 4284214, 8568428, 10710535, 21421070, 42842140]

約数ペア:

[(1, 42842140), (2, 21421070), (4, 10710535), (5, 8568428), (10, 4284214), (11, 3894740), (20, 2142107), (22, 1947370), (44, 973685), (55, 778948), (110, 389474), (193, 221980), (220, 194737), (386, 110990), (772, 55495), (965, 44396), (1009, 42460), (1930, 22198), (2018, 21230), (2123, 20180), (3860, 11099), (4036, 10615), (4246, 10090), (5045, 8492)]